I took the index of the words, transformed the quantity to binary, additional three zeros, calculated the sha256 digest, took the very first Element of the hexadecimal to convert it to binary, extra a few zeros on the 8 digits from the binary and acquired 00000010011 which interprets to 19 https://pukkabookmarks.com/story18915034/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool